%0 Journal Article %J Bulletin of the World Health Organization %D 1966 %T Testing Blackfly Larvicides in the Laboratory and in Streams %A H. Jamnback %A Frempong-Boadu, J. %K biology %B Bulletin of the World Health Organization %V 34 %P 405-421 %G eng %U http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2475988/